347.59% is the change from 166 to 743
Calculation steps:
[( 743 - 166 ) ÷ 166] x 100 = 347.59%
Formula
Percentage change = [(743 - 166) / 166] x 100
Subtract the new number by the original number
743 - 166 = 577
577 ÷ 166 = 3.4759036144578315
3.4759036144578315 x 100 = 347.59%